Spouted beds are a special type of gas-solid contact technology,which was originally developed in Canada in the 1950s by Mathur and Gishler(Mathur&Gishler,1955).They involve a modification of fluidized beds in ter...Spouted beds are a special type of gas-solid contact technology,which was originally developed in Canada in the 1950s by Mathur and Gishler(Mathur&Gishler,1955).They involve a modification of fluidized beds in terms of gas and particle flow patterns.Thus,the gas is introduced through a central nozzle or inlet,creating a high-velocity jet that penetrates the bed of particles.The gas jet creates a central channel or spout,where particles are entrained and carried upward.At the top of the spout,particles are ejected into the fountain region,where they fall back onto the bed surface.展开更多
文摘Spouted beds are a special type of gas-solid contact technology,which was originally developed in Canada in the 1950s by Mathur and Gishler(Mathur&Gishler,1955).They involve a modification of fluidized beds in terms of gas and particle flow patterns.Thus,the gas is introduced through a central nozzle or inlet,creating a high-velocity jet that penetrates the bed of particles.The gas jet creates a central channel or spout,where particles are entrained and carried upward.At the top of the spout,particles are ejected into the fountain region,where they fall back onto the bed surface.